Security device



FIG. 1 is a perspective view of a security device according to our design;

FIG. 2 is a top view of the security device shown in FIG. 1;

FIG. 3 is a bottom view of the security device shown in FIG. 1;

FIG. 4 is a front view of the security device shown in FIG. 1;

FIG. 5 is a back view of the security device shown in FIG. 1;

FIG. 6 is a right side view of the security device shown in FIG. 1; and,

FIG. 7 is a left side view of the security device shown in FIG. 1.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a security device, as shown and described. 